986440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 2741760

約数和(自身を除く): 1755320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 271, 280, 364, 455, 520, 542, 728, 910, 1084, 1355, 1820, 1897, 2168, 2710, 3523, 3640, 3794, 5420, 7046, 7588, 9485, 10840, 14092, 15176, 17615, 18970, 24661, 28184, 35230, 37940, 49322, 70460, 75880, 98644, 123305, 140920, 197288, 246610, 493220, 986440]

約数ペア:

[(1, 986440), (2, 493220), (4, 246610), (5, 197288), (7, 140920), (8, 123305), (10, 98644), (13, 75880), (14, 70460), (20, 49322), (26, 37940), (28, 35230), (35, 28184), (40, 24661), (52, 18970), (56, 17615), (65, 15176), (70, 14092), (91, 10840), (104, 9485), (130, 7588), (140, 7046), (182, 5420), (260, 3794), (271, 3640), (280, 3523), (364, 2710), (455, 2168), (520, 1897), (542, 1820), (728, 1355), (910, 1084)]